On Fri, 5 Mar 2021 08:57:08 +0000 "Hennerich, Michael" <michael.henner...@analog.com> wrote:
> Hi Jonathan and others, > > With output/dac buffer support the semantics of the scan_element type may > change. > > Today the Format is [be|le]:[s|u]bits/storagebitsXrepeat[>>shift]. > > While shift (if specified) is the shift that needs to be applied prior to > masking out unused bits. > > So far so good and it sounds universal. > > However, we use the right shift (operator) for that, which makes sense for > capture devices. > For output devices the more logical operator would be the left shift. > > I'm not proposing a new Format here. I just want to get some agreement that > for an output device > > le:s12/16>>4 > > is understood as a left shift of 4, since the unused bits are then on the LSB. Good question. Guess I wasn't thinking ahead when I came up with that :) I'm not sure I'd mind if we did decide to define a new format for output buffers. Feels like it should be easy to do. What do others think? Jonathan > > Thoughts? > > Best Regards, > Michael > > Analog Devices GmbH > Michael Hennerich > Otl-Aicher Strasse 60-64 > D-80807 Muenchen; Germany > > Sitz der Gesellschaft München, Registergericht München HRB 40368, > Geschäftsführer: Stefan Steyerl, Michael Paul Sondel, Yoon Ah Oh > >